Physics Which of the following is preferred for accelerating electrons? Betatron Van de Graft Generator Synchrotron Cyclotron Betatron Van de Graft Generator Synchrotron Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar 5.0 µ bar 0.005 µ bar 10.0 µ bar 0.0002 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –273 –40 273 40 –273 –40 273 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Yellow light Red light Violet light Green light Yellow light Red light Violet light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is High resistance and high melting point. Low resistance and low melting point. High resistance and low melting point. Low resistance and high melting point. High resistance and high melting point. Low resistance and low melting point. High resistance and low melting point. Low resistance and high melting point. ANSWER DOWNLOAD EXAMIANS APP